hum in 116B

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hum in 116B

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09-12-2007, 11:44 PM

I have acquired a hum in my set.
I was going to sell it but pulled it.the shadow meter seems to want to work but does not. moves slightly left or right and stops.
I think it used to work before. If the hum was from a power supply filter,it would be there all the time wouldn't it?

this hum is only on station and in between stations there is no hum.
Does the shadow meter work off of an IF tube?
Where do I start.
David F

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hum in 116B - by Guest - 09-12-2007, 11:44 PM

[No subject] - by Guest - 09-13-2007, 12:44 PM

[No subject] - by Texasrocker - 09-14-2007, 10:22 PM

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